fix: Remove green success banners for uploads and invites

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

frontend/app.js

@@ -242,7 +242,7 @@ async function uploadWhole(next){
     next.message = statusText || (isDuplicate ? 'Duplicate' : 'Uploaded');
     next.progress = 100;
     render();
-    try { showBanner(isDuplicate ? `Duplicate: ${next.name}` : `Uploaded: ${next.name}`, isDuplicate ? 'warn' : 'ok'); } catch {}
+    try { if (isDuplicate) showBanner(`Duplicate: ${next.name}`, 'warn'); } catch {}
   }
 }
 
@@ -355,7 +355,6 @@ if (btnPing) btnPing.onclick = async () => {
       if(j.album_name) {
         bannerText += ` | Uploading to album: "${j.album_name}"`;
       }
-      showBanner(bannerText, 'ok');
     }
   }catch{
     pingStatus.textContent = 'No connection';
@@ -374,7 +373,6 @@ if (btnPing) btnPing.onclick = async () => {
     if (j.albumName) parts.push(`Uploading to album: "${j.albumName}"`);
     if (j.expiresAt) parts.push(`Expires: ${new Date(j.expiresAt).toLocaleString()}`);
     if (typeof j.remaining === 'number') parts.push(`Uses left: ${j.remaining}`);
-    if (parts.length) showBanner(parts.join(' | '), 'ok');
   } catch {}
 })();